AIRFRAME TECHNOLOGY
required. The key is to have all of the fasteners in an area or repair to "load-up" together.
Inspection/removal/ substitution Criteria for inspection,
removal, and substitution of aircraft fasteners must be closely followed in order to carry the load through an aircraft structure. The criteria may be found in the previously mentioned references. If removal of a fastener is required for additional access or because of improper installation, care must be observed to prevent damage to surround structure and the fastener hole itself. Some fastener substitutions are allowed per the airframe manufacturer if the replacement fastener meets or exceeds the original strength, diameter, and corrosion
protection characteristics. After the aircraft, engine, or
component manufacturer, or the repair engineer designs an assembly or repair, adherence to the maintenance and repair process is critical for loading and unloading of the fastener joint throughout its service life. AMT
Marty Holzer is a certified AMT currently working as a
line maintenance technician for Delta Airlines. Over the last 25 years he has worked in aircraft manufacturing, MRO, line maintenance, and as a technical instructor. Holzer has developed and taught structural repair courses which including reading and interpreting drawings for structural repair on commercial airline aircraft. He can be reached at email narrowbodytrainingint@yahoo.com.
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Call 800.875.3251 or sales@fosterprinting.com 58 September 2011 Aircraft Maintenance Technology • www.AMTonline.com • www.AMTSociety.org
AMT.